Sale 1:

Untrace:

https://backpack.tf/profiles/76561198188093413#!/compare/1638921600/1639094400

https://backpack.tf/profiles/76561198047445236#!/compare/1639008000/1639094400

Sale 2:

1:1 of a green energy commander:

https://backpack.tf/profiles/76561198376885782#!/compare/1638316800/1638403200

https://backpack.tf/profiles/76561198204196495#!/compare/1638316800/1638403200

Taking buyers at 50k

Sale 3

Sold a Harvest Moon Prancer's Pride for an Nebula A Head Full of Hot Air+Fifth Dimension Airdog:

https://backpack.tf/stats/Unusual/Prancer's%20Pride/Tradable/Craftable/45

https://backpack.tf/stats/Unusual/A%20Head%20Full%20of%20Hot%20Air/Tradable/Craftable/99

162-127.5=34.5 rounding to 35k

Sale 4:

Sold for Eyes of Molten Airdog+23k

https://backpack.tf/profiles/76561198927172159#!/compare/1640044800/1640131200

https://backpack.tf/profiles/76561199156685368#!/compare/1640044800/1640131200

27+23=50

Sale 5:

Untrace:

https://backpack.tf/profiles/76561199156685368#!/compare/1640563200/1640649600

https://backpack.tf/profiles/76561198349986297#!/compare/1640563200/1640649600

Sale 6:

Untrace

https://backpack.tf/profiles/76561198349986297#!/compare/1642377600/1642464000

https://backpack.tf/profiles/76561198050433855#!/compare/1642377600/1642464000

Sale 7:

Sold for 42k:

https://backpack.tf/profiles/76561198050433855#!/compare/1642464000/1642636800

https://backpack.tf/profiles/76561199228967650#!/compare/1642550400/1642723200

https://imgur.com/a/s07vI9c

Sale 8:

Untrace:

https://backpack.tf/profiles/76561199183541107#!/compare/1637971200/1638144000

https://backpack.tf/profiles/76561199102777012#!/compare/1637971200/1638144000

Sale 9:

Untrace:

https://backpack.tf/profiles/76561199102777012#!/compare/1641081600/1641168000

https://backpack.tf/profiles/76561198192804709#!/compare/1640995200/1641168000

Sale 10:

Looks like a cashout trade here:

https://backpack.tf/profiles/76561198320903467#!/compare/1638748800/1638835200

https://backpack.tf/profiles/76561199221759593#!/compare/1638835200/1638921600

Sale 11:

Sold for 37k:

https://backpack.tf/profiles/76561199221759593#!/compare/1639094400/1639180800

https://backpack.tf/profiles/76561198132113819#!/compare/1639094400/1639180800

Sale 12:

???

https://backpack.tf/profiles/76561198087602501#!/compare/1639612800/1641254400

https://backpack.tf/profiles/76561198850121720#!/compare/1639612800/1639699200

Sale 13:

Untrace

https://backpack.tf/profiles/76561198850121720#!/compare/1641168000/1641254400

https://backpack.tf/profiles/76561199057164252#!/compare/1641168000/1641254400

Sale 14:

Dump for 20k 17 ref on stn:

https://backpack.tf/profiles/76561199057164252#!/compare/1642291200/1642377600

https://backpack.tf/profiles/76561198311498888#!/compare/1642291200/1642377600

https://stntrading.eu/item/tf2/Unusual+Fifth+Dimension+Airdog

Sale 15:

Sold for 37k 43 ref on stn

https://backpack.tf/profiles/76561198311498888#!/compare/1642636800/1642723200

https://backpack.tf/profiles/76561198315009743#!/compare/1642377600/1642723200

https://stntrading.eu/item/tf2/Unusual+Fifth+Dimension+Airdog

Sales:

50

35

50

42

37

20

38

Excluding 42,50 for being too high,20 for being too low

https://backpack.tf/profiles/76561198132113819#!/compare/1642982400/1643068800 - Sold for 30 Keys + 33 Refined

https://backpack.tf/profiles/76561198132113819#!/compare/1643241600/1643328000 - Sold for 29 Keys

https://backpack.tf/profiles/76561198252999692#!/compare/1642982400/1643068800 - ?

The person who paid 37 Keys in sale 11 was the one who dumped this for 29 Keys, so both of those should be excluded.

https://gladiator.tf/listings/61a6edf9ade5e1d958589186 - Sale 2 was capped by its buyout of 40 Keys

https://backpack.tf/profiles/76561198204196495#!/compare/1639267200/1639440000 - Compare link for sale 3

Taking 30-40